Question about Tappan TMT104E1 Microwave Oven

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Our Tappan TMV151FS microwave shuts off after 4 minutes...like when cooking a baked potato... Cannot figure it out. Have to wait 20 minutes for it to come back on. We think it won't pull moisture out of the interior... excessive heat build up?

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5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

MicrowaveSvc
  • 9047 Answers

SOURCE: I bought a ge microwave

It should default to the high power level without your having to select that.

But if you think it may have a problem, you could unplug it for a few minutes then plug it back in and try again.

After that, if it's not acting as it should according to the owner's manual, it may need service.

If so, since it's under warranty, I would let GE fix it.GE Customer Service is online here.

We're happy to help and we appreciate your thoughtful rating of our answer.

Posted on May 26, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: User manual for a Tappan mod TMV151FS

You can download your owner's manual here.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Posted on Jan 01, 2009

MicrowaveSvc
  • 9047 Answers

SOURCE: filter replacement

That's covered on page 20 & 21 of your owner's manual under the heading"CHARCOAL FILTER REPLACEMENT"

1. Unplug oven or turn off power at the main power
supply.
2. Open the door.
3. Remove the two vent grille mounting screws. (3 middle screws)
4. Slide the grille to the left, then pull straight out.

You can find helpful exploded view diagrams and order parts (including filters) by entering your full model number from the tag on the oven here.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Posted on Feb 17, 2009

  • 4088 Answers

SOURCE: Tappan TMV151FS over range microwave starts to work and then dies

Never run the microwave without a load (something to heat)!!! That kills the microwave generating parts.

Sounds like a 'thermal' protect switch is activating after running. Make sure that (if the unit is mounted in a cabinet) that there is sufficient space around the unit for proper air flow and that nothing is blocking the vents. Try setting it on a counter top and heat something. If it works properly and doesn't shut off, the venting space is the problem. You may have to have the cabinet that it sits in redesigned for more clearance.

Posted on Aug 19, 2009

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1 Answer

Auto Cook not working


If autocook is not working and everything else it, there is an issue with the sensor in the oven that detects the steam, The emission of steam is what triggers that unit to shut off. If it wont cook on any settings then the issue is with the microwave generator not putting out enough power. This could be from a lot of things.

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SET TIMER FOR 20 MINUTES FOR BAKED POTATOE.. CAME BACK AND FOUND POTATOES CHARCOALED. SMOKE AND SINGED INSIDE. MICROWAVE WILL NOT COME ON. CHECKED CIRCUIT BREAKER. POWER TO UNIT.


That was a very long duration to have set for potatoes. It would have made the magnetron burnt by exeeding the limit and findinf there was no conductive medium by moisture , it has ended up burning the magnetron.
First of all clean up the inside and clean up the point of the magnetron beam.Now confirm on the inside to be totally dry.
Disconnect power and check inside for break of fuse to the magnetron.If the microwave does not heat on testing with a cup of water , then it is possible that the magnetron is cooked.
Confirm the cost for the unit to decide on replacement.
Hope this helps.

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1 Answer

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Not much info to go on here. Are you putting in the number of potatoes vs.the cook time? Most microwave potato functions would not read "5 minutes." It would be read as a request to cook 500 hundred potatoes.

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I was cooking 4 potatoes for 14 minutes then put in frozen corn, started the microwave oven again and everything shut down.is there an internal fuse or breaker? or is it time for a new one.


Many of these ovens have either a humidity sensor or oven cavity sensor that will shut the oven down if the internal oven cavity humidity or temperature exceed a certain level. Baked potatoes are often a culprit as they retain a good amount of heat and generate humidity when they cook. In most cases, allowing the oven to cool down with the door open for about half an hour will restore operation.

However, there is also a thermal cut-out (TCO) on some models that will trip if the internal temperature of the oven cavity gets too hot. If the TCO trips, it must be replaced.

Since you posted no Brand Name of Model Number, I do not know how your oven is configured. If you post back with this information, I can verify and may be able to diagnose a cause of your problem.

Sep 16, 2009 | Microwave Ovens

2 Answers

Tappan TMV151FS over range microwave starts to work and then dies


Never run the microwave without a load (something to heat)!!! That kills the microwave generating parts.

Sounds like a 'thermal' protect switch is activating after running. Make sure that (if the unit is mounted in a cabinet) that there is sufficient space around the unit for proper air flow and that nothing is blocking the vents. Try setting it on a counter top and heat something. If it works properly and doesn't shut off, the venting space is the problem. You may have to have the cabinet that it sits in redesigned for more clearance.

Aug 19, 2009 | Tappan TMT104E1 Microwave Oven

1 Answer

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Check the voltage on the outlet,make sure it is 115v -- 122volts max, any less will cause it shut off, make sure the polarity off the outlet is correct and it is grounded,check all of your wiring connections, if all this is ok replace unit with a different unit or different supplier of unit

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1 Answer

Microwave light


my kenmore microwave model # 66222, doesn't let the steam out, its ventilated so I know thats not the problem, smells like its burning then shuts off and doesn't come back on until its cooled off, this happened when cooking a Baked Potato, also when I cook something for over 5 minutes

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1 Answer

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Is not normal for a microwave to shutdown after 4 minutes of operation.
From the info you are providing, It looks like the magnetron might be overheating causing the thermal fuse to shut it down until it cools down. There may also be a loose connection in one of the switches or a cold solder joint in the low voltage power supply.
I would suggest to check and make sure that the fans are functional, If always did; it could be that there isn't much air circulation where the appliance was installed.

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6 Answers

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We had the same problem with our brand new Magic Chef. Before going through the trouble of taking it back I called Home Depot. After talking to a Home Depot Rep I am told that the overheat sensor is under the glass plate directly beneath the popcorn bag. Popcorn gets very hot and the heat of the popcorn causes the sensor to shut the machine down. I would imagine this would be the same for a baked potato.
Very poor design.
I was told to put a microwave safe plate down and put the popcorn bag on it. This should help to reduce the heat and not trip the sensor.
A safety sensor is great, but not if it keeps tripping the machine and shutting down!

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